kubernetes/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/options.go

type UnknownFieldPathOptions …

// RecordUnknownFields adds a path to an unknown field to the
// record of UnknownFieldPaths, if TrackUnknownFieldPaths is true
func (o *UnknownFieldPathOptions) RecordUnknownField(field string) { … }

// AppendKey adds a key (i.e. field) to the current parent
// path, if TrackUnknownFieldPaths is true.
func (o *UnknownFieldPathOptions) AppendKey(key string) { … }

// AppendIndex adds an index to the most recent field of
// the current parent path, if TrackUnknownFieldPaths is true.
func (o *UnknownFieldPathOptions) AppendIndex(index int) { … }